Version 6.6.8 is available upstream. Please consider updating!
It seems that version 6.6.8 is available upstream, while the latest version in the Gentoo tree is 6.6.7_p6-r2.
You think this warning is false? Read more about it here.

Available Versions

Versionamd64x86alphaarmarm64hppamipsppcppc64riscvsparc
6.6.7_p6-r2  : 0 EAPI 8 amd64 x86?alpha?arm?arm64?hppa?mips ~ppc ppc64?riscv?sparc

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